html, body{
    height: 100%;
    margin: 0;
    padding: 0;
    background-image: url("./img/全局背景.jpg") ;
    background-size: 100%;
}
.form-container {
    top: 15%;
    bottom: auto;
    left: 0;
    right: 0;
    margin: auto;
    position:absolute;
    width:320px;
    border-radius: 3.75rem;
    background-image:linear-gradient(to bottom, rgba(213, 224, 178, 0.5), rgba(92, 182, 185, 0.5)),
    url("./img/背景.jpg");
    background-size:100% 100%;
    padding: 2rem;
    color: rgb(151, 161, 61);
    box-shadow: 0 2px 10px 0 rgba(56, 55, 55, 0.5);
  }
  
  .title {
    font-family:Verdana, Geneva, Tahoma, sans-serif;
    text-align: center;
    font-size: 1.5rem;
    line-height: 2rem;
    font-weight: 700;
    -webkit-text-stroke: 0.5px;
    -webkit-text-stroke-color: rgb(140, 220, 146);
  }
  
  .form {
    margin-top: 3.5rem;
  }
  
  .input-group {
    border-style: solid;
    border-radius: 0.725rem;
    margin-top: 0.25rem;
    font-size: 0.875rem;
    line-height: 1.25rem;
    box-shadow: 2px 2px 5px 1px rgba(56, 55, 55, 0.5);
  }
  
  .input-group label {
    display: block;
    color: rgb(108, 128, 160);
    margin-bottom: 4px;
    
  }
  
  .input-group input {
    width: 95%;
    border-radius: 0.5rem;
    border: 1px solid rgb(165, 213, 225);
    outline: 0;
    background-color: rgb(129, 197, 170,0.3);
    padding: 0.75rem 0.35rem;
    color: rgb(193, 199, 210,0.5);
  }
  
  .input-group input:focus {
    border-color: rgb(255, 255, 255,0);
  }
  
  .forgot {
    display: flex;
    justify-content: flex-end;
    font-size: 0.75rem;
    line-height: 2rem;
    color: rgb(239, 239, 241);
    margin: 8px 0 14px 0;
  }
  
  .forgot a,.signup a {
    color: rgba(243, 244, 246, 1);
    text-decoration: none;
    font-size: 14px;
  }
  
  .forgot a:hover, .signup a:hover {
    text-decoration: underline rgb(80, 77, 88);
  }
  
  .sign {
    display: block;
    border-style: outset;
    width: 100%;
    background-color: rgb(100, 188, 128);
    padding: 0.75rem;
    text-align: center;
    color: rgb(249, 249, 249);
    border: none;
    border-radius: 0.375rem;
    font-weight: 600;
    box-shadow: 2px 2px 5px 1px rgba(56, 55, 55, 0.5);
  }
  
  .social-message {
    display: flex;
    align-items: center;
    padding-top: 1rem;
  }
  
  .line {
    height: 1px;
    flex: 1 1 0%;
    background-color: rgb(50, 105, 71);
  }
  
  .social-message .message {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
    font-size: 0.875rem;
    line-height: 1.25rem;
    color: rgba(156, 163, 175, 1);
  }
  
  .social-icons {
    display: flex;
    justify-content: center;
  }
  
  .social-icons .icon {
    border-radius: 0.125rem;
    padding: 0.75rem;
    border: none;
    background-color: transparent;
    margin-left: 8px;
  }
  
  .social-icons .icon svg {
    height: 1.25rem;
    width: 1.25rem;
    fill: #fff;
  }
  
  .signup {
    text-align: center;
    font-size: 0.75rem;
    line-height: 1rem;
    color: rgba(156, 163, 175, 1);
  }
  